Unit 5 Retest - Periodic Table

What are the vertical columns on the periodic called?

• groups

• periods

• nonmetals

• metals

• metalloids

What are the horizontal rows on the periodic table called?

• periods

• groups

• metals

• nonmetals

• metalloids

How do you calculate the number of neutrons? *

• Mass = Atomic number - Neutrons

• Mass - Atomic number = Neutrons

• Atomic number = Neutrons

Tags

NGSS.HS-PS1-7

NGSS.HS-PS1-8

What is the name of the element? (Periodic table will be needed)

• sodium

• magnesium

• vanadium

Tags

NGSS.HS-PS1-1

How many protons and electrons does nickel have?

• 28

• 58.69

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NGSS.HS-PS1-1

This element has two valence electrons and two energy levels?

• Beryllium (Be)

• Lithium (Li)

• Zinc (Zn)

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NGSS.HS-PS1-1

How many valence electrons and energy levels does (Pb) lead have?

• 4 valence electrons and 6 energy levels (orbitals)

• 6 valence electrons and 4 energy levels (orbitals)

• 5 valence electrons and 5 energy levels (orbitals)

• 5 valence electrons and 10 energy levels (orbitals)

Tags

NGSS.HS-PS1-1

Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

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NGSS.HS-PS1-1

Which group of the periodic table is composed of inert (not reactive) gases with 8 valence electrons?

• alkali metals

• alkaline earth metals

• halogens

• noble gases

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.HS-PS1-1